<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>二进制商函数曲线</title>
  <link rel="stylesheet" href="layout.css">
  <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/handsontable/dist/handsontable.full.min.css"> 
</head>
<body>
<h1>hello world!</h1> 
<div id="main" >
</div>

<div id="main2"></div> 

<script src="//apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="//cdn.bootcss.com/echarts/4.0.2/echarts.min.js"></script>
<script src="//cdn.jsdelivr.net/npm/handsontable/dist/handsontable.full.min.js"></script>

<script src="main.js"></script>
</body>
</html>
